CN102230460A - Oil hydraulic type piston oil-free extra-high pressure air compressor - Google Patents
Oil hydraulic type piston oil-free extra-high pressure air compressor Download PDFInfo
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- CN102230460A CN102230460A CN2011102061114A CN201110206111A CN102230460A CN 102230460 A CN102230460 A CN 102230460A CN 2011102061114 A CN2011102061114 A CN 2011102061114A CN 201110206111 A CN201110206111 A CN 201110206111A CN 102230460 A CN102230460 A CN 102230460A
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Abstract
The invention discloses an oil hydraulic type piston oil-free extra-high pressure air compressor which is characterized by comprising two oil-free cylinders, an oil hydraulic cylinder and an oil supply system, wherein the oil hydraulic cylinder is positioned between the two oil-free cylinders; the oil hydraulic cylinder and the oil-free cylinders are sealed by an oil seal lining; a piston in the oil hydraulic cylinder is connected with pistons in the oil-free cylinders by a piston rod; and the oil supply system is communicated with the oil hydraulic cylinder. The invention has the advantages of small size, simple result, reliability, energy saving, no vibration, no oil consumption, no medium pollution, strong seal effect, long service life of seal elements, low noise, high pressure, and the like and is especially suitable for an oil-free high-pressure air vehicle gas filling station.
Description
Technical field
The present invention relates to a kind of air compressor that is used to compress all gases, especially a kind of hydraulic type piston that need not lubricant oil does not have oily extra-high voltage air compressor, belongs to the Compressor Technology field.
Background technique
At present, cleaning vehicle, clear energy sources, carbon reduction are all being advocated in the whole world, and empty energy motor begin the operation that puts goods on the market, green energy resource and energy saving have all been played model's effect, greatly promoted the formation of energy revolution new mode, in addition, the whole world is more urgent to no petrol car high pressure gas station demand, at present domestic only have mechanical piston type high-pressure unit to use, the medium of this kind high-pressure unit has oil, noise pollution serious, and cost an arm and a leg, energy consumption is big, can't satisfy existing: one, medium does not have oil; Two, noise is less than 70d (A); Three, energy consumption is low; Four, pressure is up to the requirement of the service condition of 650kg.
In addition, at present more common mechanical piston formula compressor is in-problem mainly to be shown: crankshaft-link rod is made the principal element that the caused lateral force of rotate-stationary mode is a harm machine quality, and volume is big, complex structure, sealing are poor, do not economize merit, oil consumption is big, medium oil-containing (if select the high pressure oil removing, then oil removing means are more complicated more expensive), the special multidimensional of easily damaged parts protect the cost height, noise pollution is big.
Summary of the invention
The object of the present invention is to provide a kind of lubricant oil, simple in structure, easy to use, environmental protection and energy saving low noise, volume is little, pressure is high hydraulic type piston of not needing not have oily extra-high voltage air compressor.
In order to solve above-mentioned problems of the prior art, the technical solution adopted in the present invention is:
A kind of hydraulic type piston does not have oily extra-high voltage air compressor, it is characterized in that, comprise two no oily cylinders, oil hydraulic cylinder and oil supply system, wherein oil hydraulic cylinder is positioned in the middle of two no oily cylinders, pass through the oil sealing seal with buss between oil hydraulic cylinder and the no oily cylinder, piston in the oil hydraulic cylinder is connected with piston in the no oily cylinder by piston rod, and described oil supply system is communicated with oil hydraulic cylinder.
Also be provided with Sealing between above-mentioned nothing oil cylinder inner wall and the piston in the no oily cylinder, described Sealing is a balance back pressure ring, and balance back pressure ring also is a kind of selflubricating ring.
The outside of above-mentioned nothing oil cylinder also is provided with cooling jacket, and also is provided with return-air sewage draining exit, pressure transducer on no oily cylinder, and also is provided with displacement transducer on the no oily cylinder in two no oily cylinders.
In addition, also be provided with temperature-sensing rod and temperature transmitter on above-mentioned nothing oil cylinder, temperature-sensing rod is connected with temperature transmitter.
Above-mentioned oil supply system comprises oil pressure station, Variable plunger pump, electro-hydraulic reversing valve, guide's electromagnetic relief valve and oil cooler, the oil pressure station is communicated with Variable plunger pump, and the outlet of oil pressure station is connected with electro-hydraulic reversing valve by one-way valve, electro-hydraulic reversing valve is communicated with above-mentioned oil hydraulic cylinder, in addition, between one-way valve and electro-hydraulic reversing valve, also be provided with guide's electromagnetic relief valve, and on electro-hydraulic reversing valve, also be provided with oil cooler.
Further, above-mentioned hydraulic type piston does not have oily extra-high voltage air compressor and is provided with many groups, and is set up in parallel.
The invention has the beneficial effects as follows: volume of the present invention is little, the result is simple, have reliable, energy-conservation, friction, no oil consumption, no medium pollution, sealing effect is strong, seal life is long, low noise, pressure advantages of higher, be specially adapted to not have innage and press the air Vehicle Fueling Station to use.
Description of drawings
Fig. 1 is the cross-sectional view of one embodiment of the invention;
Fig. 2 is the application structure schematic representation of one embodiment of the invention.
Main reference character implication is among the figure:
1, oil hydraulic cylinder 2, no oily cylinder 3, oil sealing lining 4, piston
5, piston rod 6, cooling jacket 7, return-air sewage draining exit 8, displacement transducer
9, pressure transducer 10, temperature-sensing rod 11, temperature transmitter 12, oil pressure station
13, Variable plunger pump 14, electro-hydraulic reversing valve 15, guide's electromagnetic relief valve
16, oil cooler 17, one-way valve 18, scroll compressor.
Embodiment
Below in conjunction with accompanying drawing, specify specific embodiments of the invention.
Fig. 1 is the cross-sectional view of one embodiment of the invention; Fig. 2 is the application structure schematic representation of one embodiment of the invention.
As depicted in figs. 1 and 2: the hydraulic type piston does not have oily extra-high voltage air compressor, comprise two no oily cylinders 2, oil hydraulic cylinder 1 and oil supply system, wherein oil hydraulic cylinder 1 is positioned in the middle of two no oily cylinders 2, seal by oil sealing lining 3 between oil hydraulic cylinder 1 and the no oily cylinder 2, piston 4 in the oil hydraulic cylinder 1 is connected with piston 4 in the no oily cylinder 1 by piston rod 5, in two no oily cylinders, two piston rods 5 are split-type structural, can guarantee concentricity during installation, the whole degree of element cylinder does not influence the work of selflubricating ring when handing over negative load, and described oil supply system is communicated with oil hydraulic cylinder, in the present embodiment, oil supply system comprises oil pressure station 12, Variable plunger pump 13, electro-hydraulic reversing valve 14, guide's electromagnetic relief valve 15 and oil cooler 16, oil pressure station 12 is communicated with Variable plunger pump 13, and 12 outlets of oil pressure station are connected with electro-hydraulic reversing valve 14 by one-way valve 17, electro-hydraulic reversing valve 14 is communicated with above-mentioned oil hydraulic cylinder 1, in addition, between one-way valve 17 and electro-hydraulic reversing valve 14, also be provided with guide's electromagnetic relief valve 15, and on electro-hydraulic reversing valve 14, also be provided with oil cooler 16, in the present embodiment, described Variable plunger pump 13 is the YCY100 Variable plunger pump, it economizes 30% power consumpiton, electro-hydraulic reversing valve 14 is electro-hydraulic reversing valve 4WEH16E/6AW220ETS2, and guide's electromagnetic relief valve is DBW20 guide's electromagnetic relief valve.
Also be provided with Sealing between above-mentioned nothing oil cylinder 2 inwalls and the piston 4 in the no oily cylinder 2, described Sealing is a balance back pressure ring, balance back pressure ring is a kind of selflubricating ring, because specific pressure equilibrium before and after the balance back pressure ring, wearing and tearing significantly reduce, and are fit to the work of selflubricating ring, therefore, in no oily cylinder 2, do not need lubricant oil, make its medium not be subjected to oil pollution, guaranteed the quality of gas, and Bian uses balance back pressure ring in straight line motion, loop wire speed is no more than 3M/S, and loop wire speed of the present invention only is 0.27/S, improves the life-span of Sealing, reach 16000h, in addition more permanent.
In addition, outside at no oily cylinder 2 also is provided with cooling jacket 6, make the temperature of compressed media drop to setting value, satisfy the cooling condition of multistage compression, creating a suitable selflubricating ring of the working environment less than 100 ℃ works smoothly, guarantee that the air inlet quality improves air displacement, and on no oily cylinder 2, also be provided with return-air sewage draining exit 7, let out under a spot of gas with dewfall and arrange in the appointment collecting tank by 7 unifications of return-air sewage draining exit, do not have in the oily cylinder 2 and also be provided with pressure transducer 9, temperature-sensing rod 10 and temperature transmitter 11, temperature-sensing rod 10 is connected with temperature transmitter 11, and also be provided with displacement transducer 8 on the no oily cylinder in two no oily cylinders 2, displacement transducer 8 is controlled by PLC, can adjust commutating speed according to suction pressure and air inflow, adjusts clearance volume, making the compressor smooth working, is tangible than mechanical switching signal its advantage of comparing.
Traditional air compressor mechanism all is with the pressure emptying in the cylinder after shutdown, wastes very much resource; and because sealability of the present invention is very good; when restarting, can load start PLC, search out the control that piston 4 positions load oil pressure automatically by displacement transducer 8.
And in the present embodiment, above-mentioned hydraulic type piston does not have oily extra-high voltage air compressor and is provided with two groups, and is set up in parallel, and forms four no oily cylinders, realizes four sections high voltage oil-free compressions, can be set up in parallel for many groups yet.
Working procedure of the present invention is: the start button in the start-up control system, the motor of Variable plunger pump 13 carries out the step-down of star triangle and starts automatically, when the star triangle reduced-voltage starting time reaches setting value, start the loop and automatically switch to major loop, electromagnetic relief valve 15 energisings at oil pressure station 12 at this moment, when the electromagnetic coil L1 of electro-hydraulic reversing valve 14 switches on, the piston rod 5 of oil hydraulic cylinder 1 goes out to a thruster, move to the cylinder cap direction from the pistons 4 of wearing a moving side and not having in the oil gas cylinder 2, should begin pressurized air by no oily cylinder 2 this moment, when the displacement amount of piston 4 arrives piston top dead center, the displacement transducer that is loaded on no oil gas cylinder cap gives electrical signal in PLC, this moment, PLC switched on the electromagnetic coil L2 of electro-hydraulic reversing valve 14, the L1 outage, the piston rod 5 of oil hydraulic cylinder 1 is released to opposite opposite side, the piston that drives no oil gas cylinder 2 is return, pressurized cylinder begins air-breathing, along with coil L1, L2 is logical, outage, oil hydraulic cylinder 1 carries out back and forth movement accordingly, the no oil gas cylinder 2 of pressure-increasing machine is also finished air-breathing accordingly, compression, the work cycle of exhaust, Variable plunger pump 13 starts normal, oil hydraulic cylinder 1, after no oil gas cylinder 2 operations are normal, restart scroll compressor 18.
In scroll compressor 18 normal operation processes, monitor with the hydraulic pressure of 9 pairs of scroll compressors 18 of pressure transducer, oil pressure, delivery temperature, suction pressure, exhaust pressure etc., electromotor overload, short circuit, phase shortage etc. are controlled with thermal overload relay and circuit breaker.As: normally in service at compressor, the final stage exhaust pressure is monitored automatically by pressure transducer 9, when exhaust pressure is higher than upper limit set value, the compressor autostop.
And before starting scroll compressor 18, must open water supply valve earlier; normally in service at scroll compressor 18, in case when hydraulic pressure is lower than default value, scroll compressor 18 autostops; before starting after pending fault is got rid of next time, must by field control cashier's office in a shop ACK button reset.
In addition, normally in service at scroll compressor 18, temperature-sensing rod 10 and temperature transmitter 11 are monitored automatically; when in case delivery temperatures at different levels surpass setting value; scroll compressor 18 autostops before starting after pending fault is got rid of, must reset by ACK button on the control cabinet next time.
Below disclose the present invention with preferred embodiment, so it is not in order to restriction the present invention, and all employings are equal to replaces or technological scheme that the equivalent transformation mode is obtained, all drops within protection scope of the present invention.
Claims (9)
1. a hydraulic type piston does not have oily extra-high voltage air compressor, it is characterized in that, comprise two no oily cylinders, oil hydraulic cylinder and oil supply system, wherein oil hydraulic cylinder is positioned in the middle of two no oily cylinders, pass through the oil sealing seal with buss between oil hydraulic cylinder and the no oily cylinder, piston in the oil hydraulic cylinder is connected with piston in the no oily cylinder by piston rod, and described oil supply system is communicated with oil hydraulic cylinder.
2. hydraulic type piston according to claim 1 does not have oily extra-high voltage air compressor, it is characterized in that, also is provided with Sealing between the piston in described no oily cylinder inner wall and the no oily cylinder, and described Sealing is a balance back pressure ring.
3. hydraulic type piston according to claim 1 does not have oily extra-high voltage air compressor, it is characterized in that, the outside of described no oily cylinder also is provided with cooling jacket.
4. hydraulic type piston according to claim 1 does not have oily extra-high voltage air compressor, it is characterized in that, also is provided with the return-air sewage draining exit on the described no oily cylinder.
5. hydraulic type piston according to claim 1 does not have oily extra-high voltage air compressor, it is characterized in that, also is provided with displacement transducer on a no oily cylinder therein.
6. hydraulic type piston according to claim 1 does not have oily extra-high voltage air compressor, it is characterized in that, also is provided with pressure transducer on the described no oily cylinder.
7. hydraulic type piston according to claim 1 does not have oily extra-high voltage air compressor, it is characterized in that, also is provided with temperature-sensing rod and temperature transmitter on the described no oily cylinder, and temperature-sensing rod is connected with temperature transmitter.
8. hydraulic type piston according to claim 1 does not have oily extra-high voltage air compressor, it is characterized in that,
Described oil supply system comprises oil pressure station, Variable plunger pump, electro-hydraulic reversing valve, guide's electromagnetic relief valve and oil cooler, the oil pressure station is communicated with Variable plunger pump, and the outlet of oil pressure station is connected with electro-hydraulic reversing valve by one-way valve, electro-hydraulic reversing valve is communicated with above-mentioned oil hydraulic cylinder, in addition, between one-way valve and electro-hydraulic reversing valve, also be provided with guide's electromagnetic relief valve, and on electro-hydraulic reversing valve, also be provided with oil cooler.
9. do not have oily extra-high voltage air compressor according to the described hydraulic type piston of each claim of claim 1-8, it is characterized in that, described hydraulic type piston does not have oily extra-high voltage air compressor and is provided with many groups, and is set up in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102061114A CN102230460A (en) | 2011-07-22 | 2011-07-22 | Oil hydraulic type piston oil-free extra-high pressure air compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102061114A CN102230460A (en) | 2011-07-22 | 2011-07-22 | Oil hydraulic type piston oil-free extra-high pressure air compressor |
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| CN102230460A true CN102230460A (en) | 2011-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102061114A Pending CN102230460A (en) | 2011-07-22 | 2011-07-22 | Oil hydraulic type piston oil-free extra-high pressure air compressor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214071A (en) * | 2014-09-09 | 2014-12-17 | 武汉齐达康环保科技有限公司 | Reciprocating plunger type gas compressor and method |
| CN105240241A (en) * | 2015-10-23 | 2016-01-13 | 宝鸡石油机械有限责任公司 | Full-hydraulic modularized fracturing pump |
| US9856866B2 (en) | 2011-01-28 | 2018-01-02 | Wabtec Holding Corp. | Oil-free air compressor for rail vehicles |
| CN115681075A (en) * | 2022-12-30 | 2023-02-03 | 优捷特清洁能源有限公司 | Split type liquid-driven hydrogen compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0193498A2 (en) * | 1985-02-22 | 1986-09-03 | Franco Zanarini | Positive displacement hydraulic-drive reciprocating compressor |
| US6415704B1 (en) * | 2001-01-04 | 2002-07-09 | Ta-Chin Wang | Pneumatic oil pump |
| CN1752442A (en) * | 2005-10-31 | 2006-03-29 | 顾晓宁 | Crank-sliding block reciprocating piston non-oil lubricating compressor |
| CN101776052A (en) * | 2009-01-12 | 2010-07-14 | 姚小林 | Hydraulic air compressor |
| CN202194800U (en) * | 2011-07-22 | 2012-04-18 | 昆山亿卡迪机电有限公司 | Oil-pressure piston oil-free extra-high-pressure air compressor |
-
2011
- 2011-07-22 CN CN2011102061114A patent/CN102230460A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0193498A2 (en) * | 1985-02-22 | 1986-09-03 | Franco Zanarini | Positive displacement hydraulic-drive reciprocating compressor |
| US6415704B1 (en) * | 2001-01-04 | 2002-07-09 | Ta-Chin Wang | Pneumatic oil pump |
| CN1752442A (en) * | 2005-10-31 | 2006-03-29 | 顾晓宁 | Crank-sliding block reciprocating piston non-oil lubricating compressor |
| CN101776052A (en) * | 2009-01-12 | 2010-07-14 | 姚小林 | Hydraulic air compressor |
| CN202194800U (en) * | 2011-07-22 | 2012-04-18 | 昆山亿卡迪机电有限公司 | Oil-pressure piston oil-free extra-high-pressure air compressor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9856866B2 (en) | 2011-01-28 | 2018-01-02 | Wabtec Holding Corp. | Oil-free air compressor for rail vehicles |
| CN104214071A (en) * | 2014-09-09 | 2014-12-17 | 武汉齐达康环保科技有限公司 | Reciprocating plunger type gas compressor and method |
| CN105240241A (en) * | 2015-10-23 | 2016-01-13 | 宝鸡石油机械有限责任公司 | Full-hydraulic modularized fracturing pump |
| CN115681075A (en) * | 2022-12-30 | 2023-02-03 | 优捷特清洁能源有限公司 | Split type liquid-driven hydrogen compressor |
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Application publication date: 20111102 |